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An Israeli soldier, left, hugs a comrade, center, to congratulate him for his birthday at a staging area near the Israel Gaza Strip Border, southern Israel, Thursday, Nov. 22, 2012. A cease-fire agreement between Israel and the Gaza Strip's Hamas rulers took effect Wednesday night, bringing an end to eight days of the fiercest fighting in years and possibly signaling a new era of relations between the bitter enemies. (AP Photo/Lefteris Pitarakis)

An Israeli soldier, left, hugs a comrade, center, to congratulate him for his birthday at a staging area near the Israel Gaza Strip Border, southern Israel, Thursday, Nov. 22, 2012. A cease-fire agreement between Israel and the Gaza Strip's Hamas rulers took effect Wednesday night, bringing an end to eight days of the fiercest fighting in years and possibly signaling a new era of relations between the bitter enemies. (AP Photo/Lefteris Pitarakis)